Arianna Errigo (born 6 June 1988) is an Italian left-handed foil and sabre fencer.

[2] In the women's individual foil at the 2012 Summer Olympics she denied her compatriot Valentina Vezzali her fourth successive gold medal in the competition by defeating her 15–12 in the all-Italian semi-finals.

[3] She went on to win the silver medal in the event, losing in extra time to another compatriot Elisa Di Francisca.

[4] At the 2013 and 2014 World Championships, Errigo won 2 consecutive gold medals in the individual event.

[6] She later won a silver medal at the sabre grand prix in Cancún, Mexico, in December 2017.